Rear bumper for an automobile



FIG. 1 is a front elevation view of A rear bumper for an automobile,showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a second perspective view thereof.

The ornamental design for, A rear bumper for an automobile, as shown anddescribed.